CN209164548U - A kind of transfer case of band two drive and 4 wheel driven function - Google Patents
A kind of transfer case of band two drive and 4 wheel driven function Download PDFInfo
- Publication number
- CN209164548U CN209164548U CN201821882861.7U CN201821882861U CN209164548U CN 209164548 U CN209164548 U CN 209164548U CN 201821882861 U CN201821882861 U CN 201821882861U CN 209164548 U CN209164548 U CN 209164548U
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- differential mechanism
- transfer case
- sliding sleeve
- output shaft
- shaft
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Abstract
The utility model relates to a kind of bands two to drive the transfer case with 4 wheel driven function, belong to automobile technical field, include: input shaft, low-grade driving gear, high and low shift sliding sleeve, high-grade driving gear, driven gear and the jackshaft being arranged in inside main box, differential mechanism, sun wheel shaft, differential mechanism sliding sleeve, preceding bridge output shaft, rear axle output shaft inside differential casing are set；The preceding bridge output shaft of transfer case described in the utility model, sun wheel shaft, the conjunction gear of differential mechanism pass through differential mechanism sliding sleeve selective connection, vehicle be can be realized according to two drive of different road conditions switching and 4 wheel driven, structure is simple, reduces vehicle configuration, improves vehicle utilization rate.
Description
Technical field
The utility model belongs to automobile technical field more particularly to a kind of band two drives and the transfer case of 4 wheel driven function.
Background technique
There are mainly two types of current heavy-duty cars, and it is preferable to be mainly used in road conditions that is, without transfer case for a kind of two-wheel drive
Road；Another four-wheel drive, i.e. band transfer case, are mainly used in cross-country road conditions.Two-wheel drive truck road conditions more
It is short of power when severe, it is easy to tyre slip；Four wheel drive truck takes less than substantially in highway, more wasteful.Same vehicle
Type is unable to satisfy two kinds of road conditions.The present invention is exported using multiple state differential mechanisms, realizes two drives and 4 wheel driven in the same transfer
Switching on case.
Such as Chinese Patent Application No. are as follows: a kind of Contiuum type transfer case of the patent disclosure of CN201610228584.7, including
Shell and the output shaft of gear-box being rotatably arranged on shell, rear-guard output shaft, jackshaft, forerunner's output shaft, gearbox are defeated
Shaft is equipped with input gear, and rear-guard output gear is equipped on rear-guard output shaft, is respectively equipped on jackshaft defeated with gearbox
The low regime clutch for entering gear engagement, the intermediate gear engaged with rear-guard output gear are equipped with before separating on forerunner's output shaft
Forerunner's sliding gear collar of output gear is driven, forerunner's fork is equipped with forerunner's fork axis, and rear-guard output shaft, which is equipped with, can control sliding
High and low shift sliding gear collar, jackshaft be equipped with middle slip tooth set, middle slip tooth set high and low shift sliding gear collar between connects
Be connected to high and low shift fork, high and low shift fork is equipped with high and low shift fork axis, the invention solve existing front driving device maloperation and
The associated components such as gearbox, transmission shaft, gear housing are caused to damage, to favorably improve the service life of transfer case, reduction makes
Use cost.But the transfer case cannot achieve double switchings driven with 4 wheel driven, and vehicle can not be realized according to different road conditions switching two
Drive and 4 wheel driven, can not meet highway and cross-country road conditions on same vehicle.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide the transfer of a kind of band two drive and 4 wheel driven function
Case realizes vehicle according to two drive of different road conditions switching and 4 wheel driven.
The transfer case includes: input shaft, the low-grade driving gear, high and low shift sliding sleeve, top grade being arranged in inside main box
Differential mechanism inside differential casing, sun wheel shaft, differential mechanism sliding sleeve, preceding is arranged in driving gear, driven gear and jackshaft
Bridge output shaft, rear axle output shaft；Input shaft is selectively connected low-grade driving gear or high-grade driving tooth by high and low shift sliding sleeve
Wheel, low-grade driving gear, high-grade driving gear are separately connected driven gear and jackshaft；Driven gear connected with differential, differential
Device is separately connected sun wheel shaft and rear axle output shaft；Bridge output shaft, sun wheel shaft, differential before differential mechanism sliding sleeve selective connection
Device, differential mechanism sliding sleeve are driven by shifting cylinder；Shifting cylinder includes the first connector, the second connector, third connector, and first connects
Head, the second connector, third connector are separately connected vehicle electromagnetic pump, and the cylinder body of shifting cylinder is fixed on differential casing, shift
The cylinder axis of cylinder is connected and fixed with differential mechanism sliding sleeve and connect.
Further, bridge output shaft and sun wheel shaft before differential mechanism sliding sleeve connects.
Further, bridge output shaft, sun wheel shaft and differential mechanism before differential mechanism sliding sleeve connects.
Further, differential mechanism sliding sleeve connection sun wheel shaft and differential mechanism.
Further, the preceding bridge of differential mechanism and rear axle point are turned round than being 1:2.696.
Further, the internal tooth front end of differential mechanism sliding sleeve is equipped with 10 degree of inclined surface.
Further, the difference in height of the input terminal of the transfer case and output end is 396mm.
The beneficial effects of the utility model are:
1, the preceding bridge output shaft of transfer case described in the utility model, sun wheel shaft, the conjunction gear of differential mechanism pass through differential mechanism
Sliding sleeve selective connection can be realized vehicle according to two drive of different road conditions switching and 4 wheel driven.
2, auxiliary box structure described in the utility model is simple, reduces vehicle configuration, improves vehicle utilization rate.
Detailed description of the invention
Fig. 1 is the overall structure diagram of transfer case described in the utility model；
Fig. 2 is the shifting cylinder structure chart of transfer case described in the utility model；
In figure: 1- main box, 2- input shaft, 3- low grade driving gear, 4- high and low shift sliding sleeve, 5- top grade driving gear, 6-
Bridge output shaft, the output of 12- rear axle before driven gear, 7- jackshaft, 8- differential mechanism, 9- sun wheel shaft, 10- differential mechanism sliding sleeve, 11-
Axis, 13- differential casing, 14- shifting cylinder, the first connector of 141-, the second connector of 142-, 143- third connector, 144- cylinder body,
145- cylinder axis.
Specific embodiment
Below according to Figure of description, the utility model is described in further detail.
As shown in Figure 1, the transfer case includes: input shaft 2, the low-grade driving gear 3, height being arranged in inside main box 1
Differential mechanism 8 inside differential casing 13, too is arranged in low-grade sliding sleeve 4, high-grade driving gear 5, driven gear 6 and jackshaft 7
Positive wheel shaft 9, differential mechanism sliding sleeve 10, preceding bridge output shaft 11, rear axle output shaft 12；Input shaft 2 passes through 4 selectivity of high and low shift sliding sleeve
Low-grade driving gear 3 or high-grade driving gear 5 are connected, low-grade driving gear 3, high-grade driving gear 5 are separately connected driven gear 7
And jackshaft 6；7 connected with differential 8 of driven gear, differential mechanism 8 are separately connected sun wheel shaft 9 and rear axle output shaft 12；Differential mechanism
Bridge output shaft 11, sun wheel shaft 9, differential mechanism 8 before 10 selective connection of sliding sleeve, differential mechanism sliding sleeve 10 are driven by shifting cylinder 14
It is dynamic；Shifting cylinder 14 include the first connector 141, the second connector 142, third connector 143, the first connector 141, the second connector 142,
Third connector 143 is separately connected vehicle electromagnetic pump (not shown), and the cylinder body 144 of shifting cylinder 14 is fixed on differential casing
On 13, the cylinder axis 145 of shifting cylinder 14 is fixedly connected with differential mechanism sliding sleeve 10.
Further, bridge output shaft 11 and sun wheel shaft 9 before differential mechanism sliding sleeve 10 is selectively connected.
Further, bridge output shaft 11, sun wheel shaft 9 and differential mechanism 8 before differential mechanism sliding sleeve 10 connects.
Further, differential mechanism sliding sleeve 10 connects sun wheel shaft 9 and differential mechanism 8.
Further, the preceding bridge of differential mechanism 8 and rear axle point are turned round than being 1:2.696.
Further, the internal tooth front end of differential mechanism sliding sleeve 10 is equipped with 10 degree of inclined surface, and inclined surface is for handoff procedure
Guidance.
Further, the difference in height of the input terminal of the transfer case and output end is 396mm.
The working principle of the utility model is:
It is poor when the first connector 141, the second connector 141, the third connector 143 of shifting cylinder 14 are connected to ambient atmosphere
Fast device sliding sleeve 10 slides into left side, and preceding bridge output shaft 11 and sun wheel shaft 9 connect, preceding bridge output shaft 11 and rear axle output shaft 12 with
Different rotating speeds output；First connector 141 and third connector 143 ventilation, second connector 142 of the vehicle electromagnetic pump to shifting cylinder 14
When being connected to ambient atmosphere, differential mechanism sliding sleeve 10 slides into middle position, and preceding bridge output shaft 11, sun wheel shaft 9 and differential mechanism 8 are equal
Connection, forms differential lock, and preceding bridge output shaft 11 is exported with rear axle output shaft 12 with same rotational speed；Vehicle electromagnetic pump is to shifting cylinder
When 14 the first connector 141, the ventilation of the second connector 142, third connector 143 are connected to ambient atmosphere, the sliding of differential mechanism sliding sleeve 10
To right side, sun wheel shaft 9 is connect with differential mechanism 8, and preceding bridge output shaft 11 disconnects, and for preceding bridge output shaft 11 without output, rear axle is defeated
Shaft 12 exports.
The present invention is not limited to the above embodiments, and those skilled in the art are made any to above embodiment
Conspicuous improvement or change, all protection scope without departing from the design of the utility model and appended claims.
Claims (7)
1. a kind of band two drives and the transfer case of 4 wheel driven function characterized by comprising be arranged in input shaft inside main box,
Low-grade driving gear, high and low shift sliding sleeve, high-grade driving gear, driven gear and jackshaft, are arranged in inside differential casing
Differential mechanism, sun wheel shaft, differential mechanism sliding sleeve, preceding bridge output shaft, rear axle output shaft；Input shaft passes through high and low shift sliding sleeve selectively
Connect low-grade driving gear or high-grade driving gear, low-grade driving gear, high-grade driving gear be separately connected driven gear and in
Between axis；Driven gear connected with differential, differential mechanism are separately connected sun wheel shaft and rear axle output shaft；Differential mechanism sliding sleeve selectively connects
Bridge output shaft, sun wheel shaft, differential mechanism before connecing, differential mechanism sliding sleeve are driven by shifting cylinder；Shifting cylinder include the first connector,
Second connector, third connector, the first connector, the second connector, third connector are separately connected vehicle electromagnetic pump, the cylinder body of shifting cylinder
It is fixed on differential casing, the cylinder axis of shifting cylinder is connected and fixed with differential mechanism sliding sleeve to be connect.
2. a kind of band two according to claim 1 drives and the transfer case of 4 wheel driven function, which is characterized in that the differential mechanism is sliding
Bridge output shaft and sun wheel shaft before set connects.
3. a kind of band two according to claim 1 drives and the transfer case of 4 wheel driven function, which is characterized in that the differential mechanism is sliding
Bridge output shaft, sun wheel shaft and differential mechanism before set connects.
4. a kind of band two according to claim 1 drives and the transfer case of 4 wheel driven function, which is characterized in that the differential mechanism is sliding
Set connection sun wheel shaft and differential mechanism.
5. a kind of band two according to claim 1 drives and the transfer case of 4 wheel driven function, which is characterized in that the differential mechanism
Preceding bridge and rear axle point are turned round than being 1:2.696.
6. a kind of band two according to claim 1 drives and the transfer case of 4 wheel driven function, which is characterized in that the differential mechanism is sliding
The internal tooth front end of set is equipped with 10 degree of inclined surface.
7. a kind of band two according to claim 1 drives and the transfer case of 4 wheel driven function, which is characterized in that the transfer case
The difference in height of input terminal and output end is 396mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821882861.7U CN209164548U (en) | 2018-11-15 | 2018-11-15 | A kind of transfer case of band two drive and 4 wheel driven function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821882861.7U CN209164548U (en) | 2018-11-15 | 2018-11-15 | A kind of transfer case of band two drive and 4 wheel driven function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164548U true CN209164548U (en) | 2019-07-26 |
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ID=67338354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821882861.7U Active CN209164548U (en) | 2018-11-15 | 2018-11-15 | A kind of transfer case of band two drive and 4 wheel driven function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112224156A (en) * | 2020-08-25 | 2021-01-15 | 北汽福田汽车股份有限公司 | Drive control circuit and method of vehicle and vehicle |
-
2018
- 2018-11-15 CN CN201821882861.7U patent/CN209164548U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112224156A (en) * | 2020-08-25 | 2021-01-15 | 北汽福田汽车股份有限公司 | Drive control circuit and method of vehicle and vehicle |
| CN112224156B (en) * | 2020-08-25 | 2022-05-24 | 北汽福田汽车股份有限公司 | Drive control circuit and method of vehicle and vehicle |
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